Jandel Table of Typical Needle Spacings
Common Needle Spacings:
|
American |
English (Imperial) |
Metric |
Sometimes expressed as |
|---|---|---|---|
|
25 mils |
0.025″ |
0.635mm |
|
|
0.636mm |
1/(5π) cm |
||
|
30 mils |
0.03″ |
0.762mm |
|
|
1.000mm |
|||
|
40 mils |
0.04″ |
1.016mm |
|
|
50 mils |
0.05″ |
1.27mm |
|
|
62 mils |
0.062″ |
1.575mm |
|
|
62.6 mils |
0.0626″ |
1.59mm |
|
|
1.591mm |
1/(2π) cm |
Most Jandel probes are available with needle spacing anywhere in the range from 20 mils (0.5mm) up to 62.6 mils.
Common Needle Radii:
|
American |
English (Imperial) |
Metric |
|---|---|---|
|
1.6 mil |
0.0016″ |
40µ |
|
2 mil |
0.002″ ; |
50µ |
|
4 mil |
0.004″ |
100µ |
|
8 mil |
0.008″ |
200µ |
|
10 mil |
0.01″ |
250µ |
|
20 mil |
0.02″ |
500µ |
Jandel probes are available with tip radii anywhere in the range from 0.5 mils (12.7 microns) up to 20 mils (508 microns).
Four-Point-Probes is a division of Bridge Technology. To request further information please call Bridge Technology at (480) 219-9007 or send e-mail to Joshua Bridge at: sales@bridgetec.com
